From a4a3836ab1cb781ba7138d4ddc213ac18fe17db4 Mon Sep 17 00:00:00 2001
From: John Soo <jsoo1@asu.edu>
Date: Sat, 13 Jun 2020 23:16:11 -0700
Subject: [PATCH 4/5] gnu: Add bcc.

* gnu/packages/linux.scm (bcc): New variable.
---
 gnu/packages/linux.scm | 65 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)

diff --git a/gnu/packages/linux.scm b/gnu/packages/linux.scm
index 5c379e7cd3..362e041ba9 100644
--- a/gnu/packages/linux.scm
+++ b/gnu/packages/linux.scm
@@ -97,6 +97,8 @@
   #:use-module (gnu packages haskell-xyz)
   #:use-module (gnu packages libunwind)
   #:use-module (gnu packages libusb)
+  #:use-module (gnu packages llvm)
+  #:use-module (gnu packages lua)
   #:use-module (gnu packages man)
   #:use-module (gnu packages maths)
   #:use-module (gnu packages multiprecision)
@@ -131,6 +133,7 @@
   #:use-module (gnu packages rsync)
   #:use-module (gnu packages selinux)
   #:use-module (gnu packages swig)
+  #:use-module (gnu packages version-control)
   #:use-module (guix build-system cmake)
   #:use-module (guix build-system gnu)
   #:use-module (guix build-system go)
@@ -7199,3 +7202,65 @@ persistent over reboots.")
 contrast to BCC, do not require Clang/LLVM runtime being deployed to target
 servers and does not rely on kernel-devel headers being available.")
       (license `(,license:lgpl2.1 ,license:bsd-2)))))
+
+(define-public bcc
+  (let* ((ver "0.14.0")
+         (commit (string-append "v" ver))
+         (revision "1"))
+    (package
+      (name "bcc")
+      (version (git-version ver revision commit))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/iovisor/bcc")
+               (commit commit)))
+         (file-name (git-file-name name version))
+         (sha256
+          (base32
+           "08m21avzamr48qwshd4r5hlcckk1kvgrb1i6qw373b7la89jf5an"))))
+      (build-system cmake-build-system)
+      (inputs
+       `(;; TODO: package optional integrations
+         ;; ("arping" ,argping)
+         ;; ("netperf" ,netperf)
+         ;; ("iperf" ,iperf) or ("iperf3" ,iperf3)
+         ("bison" ,bison)
+         ("clang-toolchain" ,clang-toolchain)
+         ("flex" ,flex)
+         ;; FIXME: Timestamp some other way.
+         ("git" ,git)
+         ("libbpf" ,(package-source libbpf))
+         ;; LibElf required but libelf does not contain
+         ;; archives, only object files.
+         ;; https://github.com/iovisor/bcc/issues/504
+         ("elfutils" ,elfutils)
+         ("linux-libre-headers" ,linux-libre-headers)
+         ("luajit" ,luajit)
+         ("python-wrapper" ,python-wrapper)))
+      (arguments
+       `(;; Tests all require sudo and a "standard" file heirarchy
+         #:tests? #f
+         ;; LIBBPF_INCLUDE_DIR should work with the output of libbpf -
+         ;; i.e. ,libbpf instead of ,(package-source libbpf) in inputs
+         ;; but it seems there could be a bug
+         ;; #:configure-flags
+         ;; (list
+         ;;  (string-append
+         ;;   "-DLIBBPF_INCLUDE_DIR=" (assoc-ref %build-inputs "libbpf") "/include"))
+         #:phases
+         (modify-phases %standard-phases
+           (add-after 'unpack 'copy-libbpf
+             (lambda* (#:key inputs #:allow-other-keys)
+               (delete-file-recursively "src/cc/libbpf")
+               (copy-recursively (assoc-ref inputs "libbpf") "src/cc/libbpf"))))))
+      (home-page "https://github.com/iovisor/bcc")
+      (synopsis "Tools for BPF on Linux")
+      (description
+       "BCC is a toolkit for creating efficient kernel tracing and
+manipulation programs, and includes several useful tools and examples.  It
+makes use of extended BPF (Berkeley Packet Filters), formally known as eBPF, a
+new feature that was first added to Linux 3.15.  Much of what BCC uses requires
+Linux 4.1 and above.")
+      (license license:asl2.0))))
-- 
2.26.2